linux-kernel - Re: [PATCH v2 1/4] pinctrl: abx500: suppress hardcoded value

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Message-ID: <51C83807.8060705@st.com>
Date:	Mon, 24 Jun 2013 14:13:59 +0200
From:	Patrice CHOTARD <patrice.chotard@...com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Patrice Chotard <patrice.chotard.st@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Olivier CLERGEAUD <olivier.clergeaud@...com>,
	Lee Jones <lee.jones@...aro.org>,
	Fabio Baltieri <fabio.baltieri@...aro.org>
Subject: Re: [PATCH v2 1/4] pinctrl: abx500: suppress hardcoded value

On 06/24/2013 01:29 PM, Linus Walleij wrote:

> On Thu, Jun 20, 2013 at 4:05 PM,  <patrice.chotard.st@...il.com> wrote:
> 
>> From: Patrice Chotard <patrice.chotard@...com>
>>
>> Replace hardcoded value by corresponding #define's.
>>
>> Signed-off-by: Patrice Chotard <patrice.chotard@...com>
> 
> This is not so good. The commit message is saying it
> replaces values by #defines but is actually replacing it
> by an enum.
> 
> Then you're in each instance calling
> 
> abx500_gpio_set_bits(struct gpio_chip *chip, u8 reg,
>                 unsigned offset, int val)
> 
> The last argument is a hardware register value, but here you
> case an enum abx500_gpio_direction to an integer and pass
> to this function.
> 
> It would be better if the patch did what it says: create a
> #define for ABX500_GPIO_INPUT and ABX500_GPIO_OUTPUT
> locally in drivers/pinctrl/pinctrl-abx500.c and use it locally
> instead of touching <mfd/abx500/ab8500-gpio.h>.


Ok, i'll resubmit this

> 
> Thanks,
> Linus Walleij

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